Reptilia - Ophidia

Parent taxon: Serpentes according to J. T. Thurmond and D. E. Jones 1981

Sister taxa: Alethinophidia, Dinilysia, Dinilysiidae, Goinophis, Lapparentophis, Madtsoiidae, Ophidium, Pachyophiidae, Scolecophidia, Zamenis

Subtaxa: none

Ecology: